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EP2841046B1 - Procédé de teinture au moyen d'un mélange obtenu à partir d'un dispositif aérosol comprenant un amide gras non ionique et dispositif correspondant - Google Patents

Procédé de teinture au moyen d'un mélange obtenu à partir d'un dispositif aérosol comprenant un amide gras non ionique et dispositif correspondant Download PDF

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Publication number
EP2841046B1
EP2841046B1 EP13719070.8A EP13719070A EP2841046B1 EP 2841046 B1 EP2841046 B1 EP 2841046B1 EP 13719070 A EP13719070 A EP 13719070A EP 2841046 B1 EP2841046 B1 EP 2841046B1
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Prior art keywords
process according
chosen
weight
nonionic
composition
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German (de)
English (en)
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EP2841046A2 (fr
Inventor
Philippe Rapold
Caroline Goget
Delphine Allard
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LOreal SA
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LOreal SA
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Priority claimed from FR1253742A external-priority patent/FR2989584B1/fr
Priority claimed from FR1253738A external-priority patent/FR2989583A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/046—Aerosols; Foams
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/22—Peroxides; Oxygen; Ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/41—Amines
    • A61K8/411—Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/41—Amines
    • A61K8/415—Aminophenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/45—Derivatives containing from 2 to 10 oxyalkylene groups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/10—Preparations for permanently dyeing the hair
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/68—Dispensing two or more contents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/87—Application Devices; Containers; Packaging

Definitions

  • the present invention relates to a process for dyeing the hair using a mixture comprising at least one fatty amide, the said mixture being obtained from two compositions, at least one of which is conditioned in a pressurized container, and also to a device suitable for performing this process.
  • oxidation dyeing or permanent dyeing. More particularly, this form of dyeing uses one or more oxidation dyes, usually one or more oxidation bases optionally combined with one or more couplers.
  • oxidation bases are chosen from ortho- or para-phenylenediamines, ortho- or para-aminophenols and heterocyclic compounds. These oxidation bases are colourless or weakly coloured compounds which, when combined with oxidizing products, can give access to coloured entities.
  • the shades obtained with these oxidation bases are varied by combining them with one or more couplers, these couplers being chosen especially from aromatic meta-diamines, meta-aminophenols, meta-diphenols and certain heterocyclic compounds, such as indole compounds.
  • Permanent dyeing processes thus consist in using with the dye composition an aqueous composition comprising at least one oxidizing agent such as hydrogen peroxide, under alkaline pH conditions in the vast majority of cases.
  • the alkaline agent conventionally used is aqueous ammonia or other alkaline agents, such as alkanolamines.
  • Dye compositions may take various forms such as lotions, gels, emulsions, creams or foams.
  • compositions in particular compositions comprising oxidation dyes, are obviously oxidation-sensitive and consequently contain reducing agents or antioxidants. This oxidation-preventing action is also reinforced by means of the inert atmosphere that is occasionally used during the conditioning of these compositions.
  • compositions of this type results, precisely, from their oxidation sensitivity. Specifically, during their use, they come into contact with atmospheric oxygen, which thus obliges them to be used quickly. If this is not done, the compositions become unusable after storage and are lost.
  • compositions which are conditioned in pressurized containers that can prevent the composition from coming into contact with air during their use are known in the field of hair dyeing, as is described, for example, in US 2010/0236570 or FR 2 048 629 .
  • the invention also relates to a device that is suitable for performing the process according to the invention, comprising:
  • the composition used in the process according to the invention is in the form of a foam that is particularly pleasant to apply.
  • the qualities of the foam are sufficiently long-lasting to enable uniform application of the dye product, without running.
  • composition of the invention makes it possible to retain dyeing properties, such as strength of the colour, resistance to external agents (shampooing, perspiration, light) and selectivity, and most particularly coverage of grey hair.
  • oxyalkylenated covers, respectively, mono- or poly- oxyalkylenated, oxyethylenated, oxypropylenated or glycerolated compounds, unless otherwise mentioned.
  • the human keratin fibres treated via the process according to the invention are preferably the hair.
  • composition used in the context of the invention comprises at least one nonionic oxyalkylenated saturated or unsaturated, linear or branched C 8 -C 40 fatty acid amide.
  • the nonionic oxyalkylenated saturated or unsaturated, linear or branched C 8 -C 40 fatty acid amide(s) may be chosen from compounds comprising 1 to 20 mol of C 2 -C 3 alkylene oxide and preferably from 1 to 10 mol of C 2 -C 3 alkylene oxide.
  • the amide(s) present in the mixture used in the invention correspond to formula (I) below: R-[(OCH 2 CH 2 ) n -OCH 2 ] p -CO-N(R')-(CH 2 CH 2 O) n' H (I) in which:
  • Amidet A15 sold by the company Kao (INCI name: Trideceth-2 carboxamide MEA), Ethomid HP 60 sold by the company Akzo Nobel (INCI name: PEG-50 Hydrogenated Palmamide) and Amidet N sold by the company Kao (INCI name: PEG-4 Rapeseedamide).
  • the nonionic oxyethylenated amide surfactant is rapeseed acid amide oxyethylenated with 4 oxyethylene units.
  • the content of nonionic fatty acid amide(s) represents from 0.1% to 40% by weight, preferably from 0.5% to 20% by weight and even more particularly from 1% to 10% by weight relative to the weight of the mixture.
  • the fatty amide(s) of the invention may be in the dye composition, in the oxidizing composition or in both compositions simultaneously.
  • the mixture of the invention may at least a nonionic non oxyalkylenated saturated or unsaturated, linear or branched C 8 -C 40 fatty acid amide.
  • Examples of such compounds that may be mentioned include oleic acid diethanolamide, myristic acid monoethanolamide, soybean fatty acid diethanolamide, stearic acid ethanolamide, oleic acid monoisopropanolamide, linoleic acid diethanolamide, stearic acid monoethanolamide, behenic acid monoethanolamide, isostearic acid monoisopropanolamide, erucic acid diethanolamide, ricinoleic acid monoethanolamide, lauric acid diethanolamide and lauric acid monoethanolamide.
  • the mixture used in the context of the invention comprises at least one non-associative nonionic thickening polymer.
  • non-associative thickening polymer means a thickening polymer not simultaneously comprising at least one in particular C8C30 fatty chain (hydrophobic unit) and at least one hydrophilic unit.
  • the non-associative nonionic thickening polymers used may be of natural or synthetic origin. They are chosen especially from:
  • nonionic homopolymers or copolymers containing ethylenically unsaturated monomers of ester and/or amide type are polyamides, especially the products sold under the names: Cyanamer P250 by the company Cytec (polyacrylamide); methyl methacrylate/ethylene glycol dimethacrylate copolymers (PMMA MBX-8C by the company US Cosmetics); butyl methacrylate/methyl methacrylate copolymers (Acryloid B66 by the company Röhm & Haas); polymethyl methacrylate (BPA 500 by the company Kobo).
  • the vinylpyrrolidone homopolymers or copolymers are chosen in particular from crosslinked vinylpyrrolidone homopolymers such as the Polymer ACP-10 sold by ISP.
  • the nonionic thickening polysaccharides are especially chosen from modified or unmodified starches (such as those derived, for example, from cereals, for instance wheat, corn or rice, from vegetables, for instance yellow pea, and tubers, for instance potato or cassava), amylose, amylopectin, glycogen, dextrans, celluloses and derivatives thereof (methylcelluloses, hydroxyalkylcelluloses, ethylhydroxyethylcelluloses), xylans including glucuronoxylans and arabinoxylans, glucans including xyloglucans, arabans, galactans including arabinogalactans, chitin, agars, locust bean gums, mannans including glucomannans and galactomannans such as guar gums and nonionic derivatives thereof (hydroxypropyl guar), and mixtures thereof.
  • modified or unmodified starches such as those derived, for example, from cereals, for instance wheat, corn or rice,
  • the compounds of this type that may be used in the present invention are chosen from those described especially in Kirk-Othmer's Encyclopedia of Chemical Technology, Third Edition, 1982, volume 3, pp. 896-900 , and volume 15, pp. 439-458 , in Polymers in Nature by E.A. MacGregor and C.T. Greenwood, published by John Wiley & Sons, Chapter 6, pp. 240-328, 1980 , and in Industrial Gums - Polysaccharides and their Derivatives, edited by Roy L. Whistler, Second Edition, published by Academic Press Inc. .
  • Use will preferably be made of nonionic starches, nonionic guar gums and nonionic celluloses and derivatives thereof, alone or as mixtures.
  • the polysaccharides may be modified or unmodified.
  • the unmodified guar gums are, for example, the products sold under the name Vidogum GH 175 by the company Unipectine and under the names Meypro-Guar 50 and Jaguar C by the company Rhodia Chimie.
  • the modified nonionic guar gums are especially modified with C 1 -C 6 hydroxyalkyl groups.
  • hydroxyalkyl groups that may be mentioned, for example, are hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups.
  • guar gums are well known in the prior art and can be prepared, for example, by reacting the corresponding alkene oxides such as, for example, propylene oxides, with the guar gum so as to obtain a guar gum modified with hydroxypropyl groups.
  • the degree of hydroxyalkylation which corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum, preferably ranges from 0.4 to 1.2.
  • nonionic guar gums optionally modified with hydroxyalkyl groups are sold, for example, under the trade names Jaguar HP8, Jaguar HP60 and Jaguar HP120, Jaguar DC 293 and Jaguar HP 105 by the company Rhodia Chimie or under the name Galactasol 4H4FD2 by the company Aqualon.
  • celluloses that are especially used are hydroxyethylcelluloses and hydroxypropylcelluloses. Mention may be made of the products sold under the names Klucel EF, Klucel H, Klucel LHF, Klucel MF and Klucel G by the company Aqualon, and Cellosize Polymer PCG-10 by the company Amerchol.
  • the content of non-associative nonionic polymer(s) represents from 0.001% to 50% by weight and preferably from 0.01% to 10% by weight, relative to the weight of the mixture.
  • the non-associative nonionic polymer(s) present in the mixture used in the invention may be in the dye composition, in the oxidizing composition or in both compositions simultaneously.
  • the dye composition used in the process according to the invention comprises at least one oxidation dye precursor.
  • Oxidation bases and couplers may be used as oxidation dye precursors.
  • the oxidation bases are chosen from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols and heterocyclic bases, and the addition salts thereof.
  • para-phenylenediamines that may be mentioned, for example, are para-phenylenediamine, para-tolylenediamine, 2-chloro-para-phenylenediamine, 2,3-dimethyl-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para-phenylenediamine, 2,5-dimethyl-para-phenylenediamine, N,N-dimethyl-para-phenylenediamine, N,N-diethyl-para-phenylenediamine, N,N-dipropyl-para-phenylenediamine, 4-amino-N,N-diethyl-3-methylaniline, N,N-bis( ⁇ -hydroxyethyl)-para-phenylenediamine, 4-N,N-bis( ⁇ -hydroxyethyl)amino-2-methylaniline, 4-N,N-bis( ⁇ -hydroxyethyl)a
  • para-phenylenediamine para-tolylenediamine, 2-isopropyl-para-phenylenediamine, 2- ⁇ -hydroxyethyl-para-phenylenediamine, 2- ⁇ -hydroxyethyloxy-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para-phenylenediamine, 2,3-dimethyl-para-phenylenediamine, N,N-bis( ⁇ -hydroxyethyl)-para-phenylenediamine, 2-chloro-para-phenylenediamine and 2- ⁇ -acetylaminoethyloxy-para-phenylenediamine, and the addition salts thereof with an acid, are particularly preferred.
  • bis(phenyl)alkylenediamines that may be mentioned, for example, are N,N'-bis( ⁇ -hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1,3-diaminopropanol, N,N'-bis( ⁇ -hydroxyethyl)-N,N'-bis(4'-aminophenyl)ethylenediamine, N,N'-bis(4-aminophenyl)tetramethylenediamine, N,N'-bis( ⁇ -hydroxyethyl)-N,N'-bis(4-aminophenyl)tetramethylenediamine, N,N'-bis(4-methylaminophenyl)tetramethylenediamine, N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'-methylphenyl)ethylenediamine, 1,8-bis(2,5-diaminophenoxy)-3
  • para-aminophenols that may be mentioned, for example, are para-aminophenol, 4-amino-3-methylphenol, 4-amino-3-fluorophenol, 4-amino-3-chlorophenol, 4-amino-3-hydroxymethylphenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino-2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-( ⁇ -hydroxyethylaminomethyl)phenol and 4-amino-2-fluorophenol, and the addition salts thereof with an acid.
  • para-aminophenol 4-amino-3-methylphenol, 4-amino-3-fluorophenol, 4-amino-3-chlorophenol, 4-amino-3-hydroxymethylphenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino-2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-( ⁇ -hydroxyethyla
  • ortho-aminophenols that may be mentioned, for example, are 2-aminophenol, 2-amino-5-methylphenol, 2-amino-6-methylphenol and 5-acetamido-2-aminophenol, and the addition salts thereof.
  • heterocyclic bases that may be mentioned, for example, are pyridine derivatives, pyrimidine derivatives and pyrazole derivatives.
  • pyridine derivatives that may be mentioned are the compounds described, for example, in patents GB 1 026 978 and GB 1 153 196 , for instance 2,5-diaminopyridine, 2-(4-methoxyphenyl)amino-3-aminopyridine and 3,4-diaminopyridine, and the addition salts thereof.
  • pyridine oxidation bases that are useful in the present invention are the 3-aminopyrazolo[1,5-a]pyridine oxidation bases or the addition salts thereof described, for example, in patent application FR 2 801 308 . Mention may be made, by way of example, of pyrazolo[1,5-a]pyrid-3-ylamine, 2-(acetylamino)pyrazolo[1,5-a]pyrid-3-ylamine, 2-(morpholin-4-yl)pyrazolo[1,5-a]pyrid-3-ylamine, 3-aminopyrazolo[1,5-a]pyridine-2-carboxylic acid, 2-methoxypyrazolo[1,5-a]pyrid-3-ylamine, (3-aminopyrazolo[1,5-a]pyrid-7-yl)methanol, 2-(3-aminopyrazolo[1,5-a]pyrid-5-yl)ethanol, 2-(3-amino
  • pyrimidine derivatives that may be mentioned are the compounds described, for example, in patents DE 2359399 , JP 88-169571 , JP 05-63124 and EP 0 770 375 or patent application WO 96/15765 , such as 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6-triaminopyrimidine, 2-hydroxy-4,5,6-triaminopyrimidine, 2,4-dihydroxy-5,6-diaminopyrimidine, 2,5,6-triaminopyrimidine and addition salts thereof, and tautomeric forms thereof, when a tautomeric equilibrium exists.
  • pyrazole derivatives that may be mentioned are the compounds described in patents DE 3843892 , DE 4133957 and patent applications WO 94/08969 , WO 94/08970 , FR-A-2 733 749 and DE 195 43 988 , such as 4,5-diamino-1-methylpyrazole, 4,5-diamino-1-( ⁇ -hydroxyethyl)pyrazole, 3,4-diaminopyrazole, 4,5-diamino-1-(4'-chlorobenzyl)pyrazole, 4,5-diamino-1,3-dimethylpyrazole, 4,5-diamino-3-methyl-1-phenylpyrazole, 4,5-diamino-1-methyl-3-phenylpyrazole, 4-amino-1,3-dimethyl-5-hydrazinopyrazole, 1-benzyl-4,5-diamino-3-methylpyrazole, 4,5-dia
  • a 4,5-diaminopyrazole will preferably be used, and even more preferentially 4,5-diamino-1-( ⁇ -hydroxyethyl)pyrazole and/or a salt thereof.
  • Pyrazole derivatives that may also be mentioned include diamino-N,N-dihydropyrazolopyrazolones and especially those described in patent application FR-A-2 886 136 , such as the following compounds and the addition salts thereof: 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2-amino-3-ethylamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2-amino-3-isopropylamino-6,7-dihydro-1 H,5H-pyrazolo[1,2-a]pyrazol-1-one, 2-amino-3-(pyrrolidin-1-yl)-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one, 4,5-diamino-1,2-dimethyl-1,2-dihydro
  • Use will preferably be made, as heterocyclic bases, of 4,5-diamino-1-( ⁇ -hydroxyethyl)pyrazole and/or 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and/or a salt thereof.
  • couplers that may be used in the composition used in the process according to the invention, mention may be made especially of meta-phenylenediamines, meta-aminophenols, meta-diphenols, naphthalene-based couplers, heterocyclic couplers, for instance indole derivatives, indoline derivatives, sesamol and derivatives thereof, pyridine derivatives, pyrazolotriazole derivatives, pyrazolones, indazoles, benzimidazoles, benzothiazoles, benzoxazoles, 1,3-benzodioxoles and quinolines, and the addition salts of these compounds with an acid.
  • meta-phenylenediamines meta-aminophenols, meta-diphenols, naphthalene-based couplers
  • heterocyclic couplers for instance indole derivatives, indoline derivatives, sesamol and derivatives thereof, pyridine derivatives, pyrazolotriazole derivatives
  • couplers are more particularly chosen from 2,4-diamino-1-( ⁇ -hydroxyethyloxy)benzene, 2-methyl-5-aminophenol, 5-N-( ⁇ -hydroxyethyl)amino-2-methylphenol, 3-aminophenol, 1,3-dihydroxybenzene, 1,3-dihydroxy-2-methylbenzene, 4-chloro-1,3-dihydroxybenzene, 2-amino-4-( ⁇ -hydroxyethylamino)-1-methoxybenzene, 1,3-diaminobenzene, 1,3-bis(2,4-diaminophenoxy)propane, sesamol, 1-amino-2-methoxy-4,5-methylenedioxybenzene, ⁇ -naphthol, 6-hydroxyindole, 4-hydroxyindole, 4-hydroxy-N-methylindole, 6-hydroxyindoline, 2,6-dihydroxy-4-methylpyridine, 1 H-3-methylpyrazol-5-one, 1-
  • the addition salts of the oxidation bases and couplers are especially chosen from the addition salts with an acid such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates.
  • an acid such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates.
  • the oxidation base(s) are each generally present in an amount of from 0.0001% to 10% by weight relative to the total weight of the composition, and preferably from 0.005% to 5% by weight relative to the total weight of the dye composition.
  • the coupler(s) each generally represent from 0.0001% to 10% by weight relative to the total weight of the composition, and preferably from 0.005% to 5% by weight relative to the total weight of the dye composition.
  • the dye composition used in the process according to the invention may contain synthetic or natural, cationic or nonionic, direct dyes.
  • Examples of particularly suitable direct dyes include nitrobenzene dyes; azo direct dyes; azomethine direct dyes; methine direct dyes; azacarbocyanin direct dyes, for instance tetraazacarbocyanins (tetraazapentamethines); quinone and in particular anthraquinone, naphthoquinone or benzoquinone direct dyes; azine direct dyes; xanthene direct dyes; triarylmethane direct dyes; indoamine direct dyes; indigoid direct dyes; phthalocyanin direct dyes, porphyrin direct dyes and natural direct dyes, alone or as mixtures.
  • direct dyes from among: azo; methine; carbonyl; azine; nitro (hetero)aryl; tri(hetero)arylmethane; porphyrin; phthalocyanine and natural direct dyes, alone or as mixtures.
  • the direct dye(s) more particularly represent from 0.0001% to 10% by weight and preferably from 0.005% to 5% by weight relative to the total weight of the dye composition.
  • the dye composition comprises at least one alkaline agent.
  • This agent may be chosen from mineral or organic or hybrid alkaline agents, or mixtures thereof.
  • the mineral alkaline agent(s) are preferably chosen from aqueous ammonia, alkali carbonates or bicarbonates such as sodium or potassium carbonates and sodium or potassium bicarbonates, sodium hydroxide or potassium hydroxide, or mixtures thereof.
  • the organic alkaline agent(s) are preferably chosen from organic amines with a pK b at 25°C of less than 12, preferably less than 10 and even more advantageously less than 6. It should be noted that it is the pK b corresponding to the function of highest basicity.
  • the organic alkaline agent(s) are chosen, for example, from alkanolamines, oxyethylenated and/or oxypropylenated ethylenediamines, amino acids and the compounds having the following formula: in which W is a C 1 -C 6 alkylene residue optionally substituted with a hydroxyl group or a C 1 -C 6 alkyl radical; Rx, Ry, Rz and Rt, which may be identical or different, represent a hydrogen atom or a C 1 -C 6 alkyl, C 1 -C 6 hydroxyalkyl or C 1 -C 6 aminoalkyl radical.
  • Examples of such amines that may be mentioned include 1,3-diaminopropane, 1,3-diamino-2-propanol, spermine and spermidine.
  • alkanolamine means an organic amine comprising a primary, secondary or tertiary amine function, and one or more linear or branched C 1 -C 8 alkyl groups bearing one or more hydroxyl radicals.
  • Alkanolamines such as monoalkanolamines, dialkanolamines or trialkanolamines comprising from one to three identical or different C 1 -C 4 hydroxyalkyl radicals are in particular suitable for performing the invention.
  • amino acids that may be used are of natural or synthetic origin, in their L, D or racemic form, and comprise at least one acid function more particularly chosen from carboxylic acid, sulfonic acid, phosphonic acid and phosphoric acid functions.
  • the amino acids can be in the neutral or ionic form.
  • amino acids which can be used in the present invention, of aspartic acid, glutamic acid, alanine, arginine, ornithine, citrulline, asparagine, carnitine, cysteine, glutamine, glycine, histidine, lysine, isoleucine, leucine, methionine, N-phenylalanine, proline, serine, taurine, threonine, tryptophan, tyrosine and valine.
  • amino acids which can be used in the present invention, of aspartic acid, glutamic acid, alanine, arginine, ornithine, citrulline, asparagine, carnitine, cysteine, glutamine, glycine, histidine, lysine, isoleucine, leucine, methionine, N-phenylalanine, proline, serine, taurine, threonine, tryptophan, tyrosine and valine.
  • the amino acids are basic amino acids comprising an additional amine function optionally included in a ring or in a ureido function.
  • Such basic amino acids are preferably chosen from those corresponding to the following formula: in which R denotes a group chosen from:
  • the compounds corresponding to the above formula are histidine, lysine, arginine, ornithine and citrulline.
  • the organic amine may also be chosen from organic amines of heterocyclic type. Besides histidine that has already been mentioned in the amino acids, mention may be made in particular of pyridine, piperidine, imidazole, triazole, tetrazole and benzimidazole.
  • the organic amine can also be chosen from amino acid dipeptides.
  • amino acid dipeptides that may be used in the present invention, mention may be made especially of carnosine, anserine and balenine.
  • the organic amine is chosen from compounds comprising a guanidine function.
  • amines of this type that may be used in the present invention, besides arginine, which has already been mentioned as an amino acid, mention may be made especially of creatine, creatinine, 1,1-dimethylguanidine, 1,1-diethylguanidine, glycocyamine, metformin, agmatine, N-amidinoalanine, 3-guanidinopropionic acid, 4-guanidinobutyric acid and 2-([amino(imino)methyl]amino)ethane-1-sulfonic acid.
  • the dye composition used in the process of the invention contains, as alkaline agent, aqueous ammonia and/or at least one alkanolamine and/or at least one basic amino acid, more advantageously aqueous ammonia and/or at least one alkanolamine.
  • the alkaline agent is chosen from aqueous ammonia and monoethanolamine, or a mixture thereof.
  • the dye composition has a content of alkaline agent(s) ranging from 0.01% to 30% by weight, preferably from 0.1% to 20% by weight and better still from 1% to 10% by weight relative to the weight of the said dye composition. It should be noted that this content is expressed as NH 3 in the case where the alkaline agent is aqueous ammonia.
  • the dye composition may also comprise one or more additional surfactants other than the abovementioned nonionic fatty acid amide(s).
  • the additional surfactant(s) are chosen from anionic, amphoteric, zwitterionic, cationic and nonionic surfactants other than the nonionic fatty acid amides, and preferentially nonionic surfactants.
  • anionic surfactants that may be used in the dye composition according to the invention, mention may be made of alkyl sulfates, alkyl ether sulfates, alkylamido ether sulfates, alkylarylpolyether sulfates, monoglyceride sulfates, alkylsulfonates, alkylamidesulfonates, alkylarylsulfonates, ⁇ -olefin sulfonates, paraffin sulfonates, alkylsulfosuccinates, alkylether sulfosuccinates, alkylamide sulfosuccinates, alkylsulfoacetates, acylsarcosinates, acylglutamates, alkylsulfosuccinamates, acylisethionates and N-acyltaurates, salts of alkyl monoesters of polyglycoside-polycarbox
  • These compounds can be oxyethylenated and then preferably comprise from 1 to 50 ethylene oxide units.
  • the salts of C 6 -C 24 alkyl monoesters of polyglycoside-polycarboxylic acids can be chosen from C 6 -C 24 alkyl polyglycoside-citrates, C 6 -C 24 alkyl polyglycoside-tartrates and C 6 -C 24 alkyl polyglycoside-sulfosuccinates.
  • anionic surfactant(s) When the anionic surfactant(s) are in salt form, they may be chosen from alkali metal salts such as sodium or potassium salt and preferably sodium salt, ammonium salts, amine salts and in particular amino alcohol salts or alkaline-earth metal salts such as magnesium salts.
  • alkali metal salts such as sodium or potassium salt and preferably sodium salt, ammonium salts, amine salts and in particular amino alcohol salts or alkaline-earth metal salts such as magnesium salts.
  • amino alcohol salts examples include monoethanolamine, diethanolamine and triethanolamine salts, monoisopropanolamine, diisopropanolamine or triisopropanolamine salts, 2-amino-2-methyl-1-propanol salts, 2-amino-2-methyl-1,3-propanediol salts and tris(hydroxymethyl)aminomethane salts.
  • Alkali metal or alkaline-earth metal salts and in particular sodium or magnesium salts, are preferably used.
  • Use is preferably made, among the anionic surfactants mentioned, of (C 6 -C 24 )alkyl sulfates, (C 6 -C 24 )alkyl ether sulfates comprising from 2 to 50 ethylene oxide units, in particular in the form of alkali metal, ammonium, amino alcohol and alkaline-earth metal salts, or a mixture of these compounds.
  • (C 12 -C 20 )alkyl sulfates In particular, it is preferable to use (C 12 -C 20 )alkyl sulfates, (C 12 -C 20 )alkyl ether sulfates comprising from 2 to 20 ethylene oxide units, in particular in the form of alkali metal, ammonium, amino alcohol and alkaline-earth metal salts, or a mixture of these compounds.
  • (C 12 -C 20 )alkyl sulfates comprising from 2 to 20 ethylene oxide units, in particular in the form of alkali metal, ammonium, amino alcohol and alkaline-earth metal salts, or a mixture of these compounds.
  • sodium lauryl ether sulfate containing 2.2 mol of ethylene oxide.
  • amphoteric or zwitterionic surfactant(s), which are preferably (a) non-silicone surfactant(s), which can be used in the present invention may in particular be derivatives of optionally quaternized secondary or tertiary aliphatic amines, in which derivatives the aliphatic group is a linear or branched chain comprising from 8 to 22 carbon atoms, the said amine derivatives comprising at least one anionic group, such as, for example, a carboxylate, sulfonate, sulfate, phosphate or phosphonate group.
  • cocoamphodiacetate sold by the company Rhodia under the trade name Miranol ® C2M Concentrate.
  • amphoteric or zwitterionic surfactants use is preferably made of (C 8 -C 20 )alkylbetaines such as cocoylbetaine, (C 8 -C 20 )alkylamido(C 3 -C 8 )alkylbetaines such as cocoylamidopropylbetaine, and the mixtures thereof, and the compounds of formula (B'2) such as the sodium salt of diethylaminopropyl laurylaminosuccinamate (INCI name: sodium diethylaminopropyl cocoaspartamide), and mixtures thereof.
  • amphoteric or zwitterionic surfactant(s) are chosen from cocamidopropylbetaine, cocoylbetaine and the sodium salt of diethylaminopropyl laurylaminosuccinamate, and mixtures thereof.
  • the cationic surfactant(s) that may be used in the dye composition according to the invention comprise, for example, salts of optionally polyoxyalkylenated primary, secondary or tertiary fatty amines, quaternary ammonium salts, and mixtures thereof.
  • quaternary ammonium salts examples include:
  • the alkyl groups R 22 may be linear or branched, and more particularly linear.
  • R 22 denotes a methyl, ethyl, hydroxyethyl or dihydroxypropyl group, and more particularly a methyl or ethyl group.
  • the sum x + y + z is from 1 to 10.
  • R 23 is an R 27 hydrocarbon-based group, it may be long and may contain from 12 to 22 carbon atoms, or may be short and may contain from 1 to 3 carbon atoms.
  • R 25 is an R 29 hydrocarbon-based group, it preferably contains 1 to 3 carbon atoms.
  • R 24 , R 26 and R 28 which are identical or different, are selected from linear or branched, saturated or unsaturated C 11 -C 21 hydrocarbon-based groups, and more particularly from linear or branched, saturated or unsaturated C 11 -C 21 alkyl and alkenyl groups.
  • x and z which may be identical or different, are equal to 0 or 1.
  • y is advantageously equal to 1.
  • r, s and t which may be identical or different, equal 2 or 3, and even more particularly are equal to 2.
  • the anionic counterion X - is preferably a halide, such as chloride, bromide or iodide; a (C 1 -C 4 )alkyl sulfate or a (C 1 -C 4 )alkyl- or (C 1 -C 4 )alkylarylsulfonate.
  • a halide such as chloride, bromide or iodide
  • a (C 1 -C 4 )alkyl sulfate or a (C 1 -C 4 )alkyl- or (C 1 -C 4 )alkylarylsulfonate it is possible to use methanesulfonate, phosphate, nitrate, tosylate, an anion derived from an organic acid, such as acetate or lactate, or any other anion that is compatible with the ammonium containing an ester function.
  • the anionic counterion X - is even more particularly chloride, methyl sulfate or ethyl sulfate.
  • acyl groups preferably contain 14 to 18 carbon atoms and originate more particularly from a plant oil such as palm oil or sunflower oil. When the compound contains several acyl groups, these groups may be identical or different.
  • This esterification is followed by a quaternization by means of an alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sulfate, preferably dimethyl or diethyl sulfate, methyl methanesulfonate, methyl para-toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
  • an alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sulfate, preferably dimethyl or diethyl sulfate, methyl methanesulfonate, methyl para-toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
  • Such compounds are sold, for example, under the names Dehyquart® by the company Henkel, Stepanquat® by the company Stepan, Noxamium® by the company Ceca or Rewoquat® WE 18 by the company Rewo-Witco.
  • the dye composition according to the invention may contain, for example, a mixture of quaternary ammonium monoester, diester and triester salts with a weight majority of diester salts.
  • ammonium salts containing at least one ester function that are described in patents US-A-4 874 554 and US-A-4 137 180 .
  • Use may be made of behenoylhydroxypropyltrimethylammonium chloride sold by KAO under the name Quatarmin BTC 131.
  • the ammonium salts containing at least one ester function contain two ester functions.
  • cationic surfactants that may be present in the dye composition according to the invention, it is more particularly preferred to choose cetyltrimethylammonium, behenyltrimethylammonium and dipalmitoylethylhydroxyethylmethylammonium salts, and mixtures thereof, and more particularly behenyltrimethylammonium chloride, cetyltrimethylammonium chloride, and dipalmitoylethylhydroxyethylammonium methosulfate, and mixtures thereof.
  • nonionic surfactants that may be used in the dye composition used according to the invention are described, for example, in the Handbook of Surfactants by M.R. Porter, published by Blackie & Son (Glasgow and London), 1991, pp. 116-178 .
  • They are especially chosen from alcohols, ⁇ -diols and (C 1 -C 20 )alkylphenols, these compounds being etherified with ethoxylated, propoxylated and/or glycerolated groups, and containing at least one fatty chain comprising, for example, from 8 to 18 carbon atoms, it being possible for the number of ethylene oxide and/or propylene oxide groups to range especially from 1 to 100, more particularly from 2 to 50 and even more particularly from 2 to 30, and for the number of glycerol groups to range especially from 1 to 30.
  • the nonionic surfactants are more particularly chosen from oxyalkylenated or glycerolated nonionic surfactants.
  • the oxyalkylene units are more particularly oxyethylene or oxypropylene units, or a combination thereof, preferably oxyethylene units.
  • oxyalkylenated or glycerolated nonionic surfactants examples include:
  • the surfactants contain a number of moles of ethylene oxide and/or of propylene oxide ranging from 1 to 100, preferably from 2 to 50 and preferably between 2 and 30.
  • the nonionic surfactants do not comprise any oxypropylene units.
  • the oxyalkylenated nonionic surfactants are chosen from oxyethylenated C 8 -C 30 alcohols comprising from 1 to 100 mol of ethylene oxide, preferably from 2 to 50 and more particularly from 2 to 30 mol of ethylene oxide; oxyethylenated esters of linear or branched, saturated or unsaturated C 8 -C 30 acids and of sorbitol comprising from 1 to 100 mol of ethylene oxide.
  • glycerolated nonionic surfactants examples include glycerolated C 8 -C 40 alcohols.
  • Examples of compounds of this type include lauryl alcohol containing 4 mol of glycerol (INCI name: Polyglyceryl-4 Lauryl Ether), lauryl alcohol containing 1.5 mol of glycerol, oleyl alcohol containing 4 mol of glycerol (INCI name: Polyglyceryl-4 Oleyl Ether), oleyl alcohol containing 2 mol of glycerol (INCI name: Polyglyceryl-2 Oleyl Ether), cetearyl alcohol containing 2 mol of glycerol, cetearyl alcohol containing 6 mol of glycerol, oleocetyl alcohol containing 6 mol of glycerol, and octadecanol containing 6 mol of glycerol.
  • glycerolated alcohols it is more particularly preferred to use the C 8 /C 10 alcohol containing 1 mol of glycerol, the C 10 /C 12 alcohol containing 1 mol of glycerol and the C 12 alcohol containing 1.5 mol of glycerol.
  • the additional surfactant(s) are chosen from nonionic, anionic and amphoteric surfactants. More particularly, the additional surfactant(s) which may be present in the composition are chosen from nonionic surfactants.
  • the additional surfactant(s), when they are present, are chosen from oxyalkylenated, particularly oxyethylenated or oxypropylenated, nonionic surfactants, or a combination thereof, more particularly oxyethylenated; glycerolated, or mixtures thereof.
  • the nonionic surfactants are chosen from oxyethylenated sorbitol esters, oxyethylenated fatty alcohols and glycerolated fatty alcohols, and mixtures thereof.
  • the amount of additional surfactant(s), when they are present preferably ranges from 0.1% to 50% by weight and better still from 0.5% to 20% by weight relative to the total weight of the said composition.
  • the medium of the dye composition according to the invention is advantageously an aqueous medium. It may also comprise one or more organic solvents.
  • organic solvents examples include linear or branched and preferably saturated monoalcohols or diols, comprising 2 to 10 carbon atoms, such as ethyl alcohol, isopropyl alcohol, hexylene glycol (2-methyl-2,4-pentanediol), neopentyl glycol and 3-methyl-1,5-pentanediol, butylene glycol, dipropylene glycol and propylene glycol; aromatic alcohols such as benzyl alcohol or phenylethyl alcohol; polyols containing more than two hydroxyl functions, such as glycerol; polyol ethers, for instance ethylene glycol monomethyl, monoethyl or monobutyl ether, propylene glycol or ethers thereof, for instance propylene glycol monomethyl ether; and also diethylene glycol alkyl ethers, especially C 1 -C 4 alkyl ethers, for instance diethylene glycol monoethyl
  • the organic solvents when they are present, generally represent between 1% and 40% by weight relative to the total weight of the dye composition, and preferably between 5% and 30% by weight relative to the total weight of the dye composition.
  • the dye composition is preferably aqueous. In this case, it preferably comprises from 30% to 95% by weight of water, better still from 40% to 90% by weight of water and even better still from 50% to 85% by weight of water relative to the total weight of the dye composition.
  • the pH of the dye composition if it is aqueous, is generally between 3 and 12 and preferably between 5 and 11. Preferentially between 7 and 11, limits included.
  • the dye composition may optionally comprise one or more fatty substances.
  • fatty substance means an organic compound that is insoluble in water at ordinary temperature (25°C) and at atmospheric pressure (760 mmHg) (solubility of less than 5%, preferably less than 1% and even more preferentially less than 0.1%). They exhibit, in their structure, at least one hydrocarbon chain comprising at least 6 carbon atoms or a sequence of at least two siloxane groups.
  • the fatty substances are generally soluble in organic solvents under the same temperature and pressure conditions, for instance chloroform, dichloromethane, carbon tetrachloride, ethanol, benzene, toluene, tetrahydrofuran (THF), liquid petroleum jelly or decamethylcyclopentasiloxane.
  • the fatty substances of the invention do not contain any salified or unsalified carboxylic acid groups (COOH or COO-).
  • the fatty substances of the invention are neither (poly)oxyalkylenated nor (poly)glycerolated.
  • oil means a " fatty substance " that is liquid at room temperature (25°C) and at atmospheric pressure (760 mmHg).
  • non-silicone oil means an oil not containing any silicon atoms (Si) and the term “ silicone oil” means an oil containing at least one silicon atom.
  • the fatty substances are chosen from C 6 -C 16 hydrocarbons, hydrocarbons containing more than 16 carbon atoms, non-silicone oils of animal origin, plant oils of triglyceride type, synthetic triglycerides, fluoro oils, fatty alcohols, fatty acid and/or fatty alcohol esters other than triglycerides and plant waxes, non-silicone waxes and silicones, and mixtures thereof.
  • the fatty alcohols, esters and acids more particularly have at least one linear or branched, saturated or unsaturated hydrocarbon-based group comprising 6 to 30 and better still from 8 to 30 carbon atoms, which is optionally substituted, in particular with one or more hydroxyl groups (in particular 1 to 4). If they are unsaturated, these compounds may comprise one to three conjugated or unconjugated carbon-carbon double bonds.
  • C 6 -C 16 hydrocarbons they are linear, branched or optionally cyclic, and are preferably alkanes. Examples that may be mentioned include hexane, dodecane and isoparaffins such as isohexadecane and isodecane.
  • a hydrocarbon-based oil of animal origin that may be mentioned is perhydrosqualene.
  • the triglyceride oils of plant or synthetic origin are preferably chosen from liquid fatty acid triglycerides containing from 6 to 30 carbon atoms, for instance heptanoic or octanoic acid triglycerides, or alternatively, for example, sunflower oil, corn oil, soybean oil, marrow oil, grapeseed oil, sesame seed oil, hazelnut oil, apricot oil, macadamia oil, arara oil, castor oil, avocado oil, caprylic/capric acid triglycerides, for instance those sold by the company Stéarineries Dubois or those sold under the names Miglyol® 810, 812 and 818 by the company Dynamit Nobel, jojoba oil and shea butter oil.
  • liquid fatty acid triglycerides containing from 6 to 30 carbon atoms for instance heptanoic or octanoic acid triglycerides, or alternatively, for example, sunflower oil, corn oil, soybean oil,
  • the linear or branched hydrocarbons of mineral or synthetic origin having more than 16 carbon atoms are preferably chosen from liquid paraffins, petroleum jelly, liquid petroleum jelly, polydecenes or hydrogenated polyisobutene, such as Parleam®.
  • C 6 -C 16 alkanes they are linear or branched, and possibly cyclic. Examples that may be mentioned include hexane, dodecane and isoparaffins such as isohexadecane and isodecane.
  • oils of animal, vegetable, mineral or synthetic origin that may be used in the composition of the invention, examples that may be mentioned include:
  • the fatty alcohols which are suitable for the implementation of the invention are more particularly chosen from saturated or unsaturated, linear or branched alcohols comprising from 6 to 30 carbon atoms and preferably from 8 to 30 carbon atoms. Mention may be made, for example, of cetyl alcohol, stearyl alcohol and the mixture thereof (cetearyl alcohol), octyldodecanol, 2-butyloctanol, 2-hexyldecanol, 2-undecylpentadecanol, oleyl alcohol or linoleyl alcohol.
  • esters of a fatty acid and/or of fatty alcohols which are advantageously different from the triglycerides mentioned previously, mention may be made especially of esters of saturated or unsaturated, linear or branched C 1 -C 26 aliphatic monoacids or polyacids and of saturated or unsaturated, linear or branched C 1 -C 26 aliphatic monoalcohols or polyalcohols, the total carbon number of the esters being greater than or equal to 6 and more advantageously greater than or equal to 10.
  • dihydroabietyl behenate octyldodecyl behenate; isocetyl behenate; cetyl lactate; C 12 -C 15 alkyl lactate; isostearyl lactate; lauryl lactate; linoleyl lactate; oleyl lactate; (iso)stearyl octanoate; isocetyl octanoate; octyl octanoate; cetyl octanoate; decyl oleate; isocetyl isostearate; isocetyl laurate; isocetyl stearate; isodecyl octanoate; isodecyl oleate; isononyl isononanoate; isostearyl palmitate; methylacetyl ricinoleate; myristyl stearate;
  • esters of C 4 -C 22 dicarboxylic or tricarboxylic acids and of C 1 -C 22 alcohols and esters of mono-, di- or tricarboxylic acids and of C 2 -C 26 di-, tri-, tetra- or pentahydroxy alcohols may also be used.
  • esters mentioned above it is preferred to use ethyl, isopropyl, myristyl, cetyl or stearyl palmitate, 2-ethylhexyl palmitate, 2-octyldecyl palmitate, alkyl myristates such as isopropyl, butyl, cetyl or 2-octyldodecyl myristate, hexyl stearate, butyl stearate, isobutyl stearate; dioctyl malate, hexyl laurate, 2-hexyldecyl laurate, isononyl isononanoate or cetyl octanoate.
  • alkyl myristates such as isopropyl, butyl, cetyl or 2-octyldodecyl myristate, hexyl stearate, butyl stearate, isobutyl stearate
  • the dye composition may also comprise, as fatty ester, sugar esters and diesters of C 6 -C 30 and preferably C 12 -C 22 fatty acids.
  • sugar means oxygen-bearing hydrocarbon-based compounds which have several alcohol functions, with or without aldehyde or ketone functions, and which comprise at least 4 carbon atoms. These sugars can be monosaccharides, oligosaccharides or polysaccharides.
  • sucrose or saccharose
  • glucose or saccharose
  • galactose or ribose
  • fucose maltose
  • maltose fructose
  • mannose mannose
  • arabinose xylose
  • lactose and derivatives thereof, in particular alkyl derivatives, such as methyl derivatives, for instance methylglucose.
  • the sugar esters of fatty acids may be chosen in particular from the group comprising the esters or mixtures of esters of sugars described previously and of linear or branched, saturated or unsaturated C 6 -C 30 and preferably C 12 -C 22 fatty acids. If they are unsaturated, these compounds may comprise one to three conjugated or unconjugated carbon-carbon double bonds.
  • esters according to this variant may also be chosen from mono-, di-, tri- and tetraesters, polyesters, and mixtures thereof.
  • esters can, for example, be oleates, laurates, palmitates, myristates, behenates, cocoates, stearates, linoleates, linolenates, caprates, arachidonates or mixtures thereof, such as, in particular, oleate/palmitate, oleate/stearate or palmitate/stearate mixed esters.
  • monoesters and diesters and in particular mono- or di-oleate, -stearate, -behenate, -oleate/palmitate, -linoleate, -linolenate or - oleate/stearate of sucrose, of glucose or of methylglucose.
  • esters or mixtures of esters of sugar and of fatty acid examples include:
  • the non-silicone wax(es) are chosen in particular from carnauba wax, candelilla wax, esparto wax, paraffin wax, ozokerite, vegetable waxes, such as olive tree wax, rice wax, hydrogenated jojoba wax or absolute flower waxes, such as the blackcurrant blossom essential wax sold by Bertin (France), or animal waxes, such as beeswaxes or modified beeswaxes (cerabellina); other waxes or waxy starting materials which can be used according to the invention are in particular marine waxes, such as that sold by Sophim under the reference M82, polyethylene waxes or polyolefin waxes in general.
  • the silicones that may be used in the dye composition of the present invention are volatile or non-volatile, cyclic, linear or branched silicones, which are unmodified or modified with organic groups, having a viscosity from 5 ⁇ 10 -6 to 2.5 m 2 /s at 25°C, and preferably 1 ⁇ 10 -5 to 1 m 2 /s.
  • the silicones that may be used in accordance with the invention may be in the form of oils, waxes, resins or gums.
  • the silicone is chosen from polydialkylsiloxanes, especially polydimethylsiloxanes (PDMS), and organomodified polysiloxanes comprising at least one functional group chosen from amino groups and alkoxy groups.
  • PDMS polydimethylsiloxanes
  • organomodified polysiloxanes comprising at least one functional group chosen from amino groups and alkoxy groups.
  • Organopolysiloxanes are defined in greater detail in Walter Noll's Chemistry and Technology of Silicones (1968), Academic Press . They may be volatile or non-volatile.
  • the silicones are more particularly chosen from those having a boiling point of between 60°C and 260°C, and more particularly still from:
  • Use is preferably made of non-volatile polydialkylsiloxanes, polydialkylsiloxane gums and resins, polyorganosiloxanes modified with the organofunctional groups above, and mixtures thereof.
  • silicones are more particularly chosen from polydialkylsiloxanes, among which mention may be made mainly of polydimethylsiloxanes having trimethylsilyl end groups.
  • the viscosity of the silicones is measured at 25°C according to ASTM standard 445 Appendix C.
  • CTFA dimethiconol
  • polydialkylsiloxanes In this category of polydialkylsiloxanes, mention may also be made of the products sold under the names Abil Wax® 9800 and 9801 by the company Goldschmidt, which are polydi(C 1 -C 20 )alkylsiloxanes.
  • the silicone gums that may be used in accordance with the invention are in particular polydialkylsiloxanes and preferably polydimethylsiloxanes with high number-average molecular weights of between 200 000 and 1 000 000, used alone or as a mixture in a solvent.
  • This solvent can be chosen from volatile silicones, polydimethylsiloxane (PDMS) oils, polyphenylmethylsiloxane (PPMS) oils, isoparaffins, polyisobutylenes, methylene chloride, pentane, dodecane, tridecane or their mixtures.
  • Products which can be used more particularly in accordance with the invention are mixtures such as:
  • the organopolysiloxane resins that may be used in accordance with the invention are crosslinked siloxane systems containing the following units: R 2 SiO 2/2 , R 3 SiO 1/2 , RSiO 3/2 and SiO 4/2 , in which R represents an alkyl containing 1 to 16 carbon atoms.
  • R represents an alkyl containing 1 to 16 carbon atoms.
  • R denotes a C 1 -C 4 lower alkyl group, more particularly methyl.
  • organomodified silicones that may be used in accordance with the invention are silicones as defined above and comprising in their structure one or more organofunctional groups attached via a hydrocarbon-based group.
  • the organomodified silicones can be polydiarylsiloxanes, in particular polydiphenylsiloxanes, and polyalkylarylsiloxanes functionalized by the abovementioned organofunctional groups.
  • the polyalkylarylsiloxanes are chosen particularly from linear and/or branched polydimethyl/methylphenylsiloxanes and polydimethyl/diphenylsiloxanes with a viscosity of from 1 ⁇ 10 -5 to 5 ⁇ 10 -2 m 2 /s at 25°C.
  • organomodified silicones of polyorganosiloxanes comprising:
  • the fatty substances are chosen from compounds that are liquid or pasty at room temperature (25°C) and at atmospheric pressure.
  • the fatty substance is a compound that is liquid at a temperature of 25°C and at atmospheric pressure.
  • the fatty substances are advantageously chosen from C 6 -C 16 alkanes, non-silicone oils of plant, mineral or synthetic origin, fatty alcohols, and esters of a fatty acid and/or of a fatty alcohol, or mixtures thereof.
  • the fatty substance is chosen from liquid petroleum jelly, C 6 -C 16 alkanes, polydecenes, liquid esters of a fatty acid and/or of a fatty alcohol, and liquid fatty alcohols, or mixtures thereof.
  • the total content of fatty substances is less than 20% by weight relative to the total weight of the composition. It then preferably ranges from 0 to 19%, better still from 0 to 15% and even better still from 0 to 10% by weight relative to the total weight of the composition (mixture of the dye and oxidizing compositions).
  • the total content of fatty substances is greater than or equal to 20% by weight relative to the total weight of the composition (mixture of the dye and oxidizing compositions). It then preferably ranges from 20% to 80%, better still from 30% to 75% and even better still from 50% to 70% by weight relative to the total weight of the composition (mixture of the dye and oxidizing compositions).
  • the dye composition may also contain various adjuvants which are conventionally used in hair dye compositions, for instance anionic, cationic, nonionic, amphoteric or zwitterionic polymers or mixtures thereof; thickeners such as crosslinked acrylic acid homopolymers, cellulose-based thickeners (with, for example, hydroxyethylcellulose, hydroxypropylcellulose or carboxymethylcellulose), guar gum and derivatives thereof (for example hydroxypropylguar), gums of microbial origin (especially xanthan gum or scleroglucan gum); mineral thickeners especially such as clays; ammonium salts such as ammonium chloride or ammonium acetate; antioxidants or reducing agents such as ascorbic acid, erythorbic acid, ammonium sulfite, bisulfite or metabisulfite, or ammonium thiolactate; penetrants, sequestrants such as ethylenediaminetetraacetic or salts thereof; fragrances; titanium oxides;
  • the above adjuvants are generally present in an amount for each of them of between 0.01% and 20% by weight relative to the weight of the dye composition.
  • the second composition used in the process according to the invention also comprises at least one chemical oxidizing agent.
  • oxidizing agents present in the oxidizing composition are termed "chemical" to distinguish them from atmospheric oxygen.
  • the chemical oxidizing agent(s) that are suitable for use in the present invention are chosen, for example, from hydrogen peroxide, urea peroxide, alkali metal bromates or ferricyanides, peroxygenated salts, for instance persulfates, perborates, peracids and precursors thereof and percarbonates of alkali metals or alkaline-earth metals.
  • the oxidizing agent is hydrogen peroxide.
  • the content of oxidizing agent(s) more particularly represents from 0.1% to 20% by weight and preferably from 0.5% to 10% by weight relative to the weight of the oxidizing composition.
  • the oxidizing composition may also comprise one or more additional surfactants which may be chosen from additional surfactants other than the abovementioned fatty acid amide surfactants.
  • the additional surfactant(s) are chosen from anionic, amphoteric, zwitterionic, cationic and nonionic surfactants, and preferentially nonionic surfactants. Reference may be made to the list of compounds of this type given in the context of the description of the dye composition.
  • these surfactants are chosen from nonionic surfactants.
  • the oxyalkylenated nonionic surfactants are chosen from oxyethylenated C 8 -C 30 alcohols comprising from 1 to 100 mol of ethylene oxide, preferably from 2 to 50 and better still from 2 to 30 mol of ethylene oxide; oxyethylenated esters of linear or branched, saturated or unsaturated C 8 -C 30 acids and of sorbitol comprising from 1 to 100 mol of ethylene oxide.
  • the amount of additional surfactant(s), when they are present preferably ranges from 0.1% to 50% by weight and better still from 0.5% to 20% by weight relative to the total weight of the said composition.
  • the oxidizing composition is advantageously an aqueous composition. It may also comprise one or more organic solvents chosen from those listed previously, these solvents more particularly representing, when they are present, from 1% to 40% by weight and preferably from 5% to 30% by weight relative to the weight of the oxidizing composition.
  • the oxidizing composition also preferably comprises one or more acidifying agents.
  • acidifying agents examples that may be mentioned include mineral or organic acids, for instance hydrochloric acid, orthophosphoric acid, sulfuric acid, carboxylic acids, for instance acetic acid, tartaric acid, citric acid or lactic acid, and sulfonic acids.
  • the pH of the oxidizing composition when it is aqueous, is less than 7.
  • the oxidizing composition may also contain various conventionally used adjuvants, for instance anionic, cationic, nonionic, amphoteric or zwitterionic polymers or mixtures thereof; thickeners such as crosslinked acrylic acid homopolymers, cellulose-based thickeners (with, for example, hydroxyethylcellulose, hydroxypropylcellulose or carboxymethylcellulose), guar gum and derivatives thereof (for example hydroxypropylguar), gums of microbial origin (especially xanthan gum or scleroglucan gum); sequestrants such as ethylenediaminetetraacetic or salts thereof; fragrances; and preserving agents, or mixtures thereof.
  • thickeners such as crosslinked acrylic acid homopolymers, cellulose-based thickeners (with, for example, hydroxyethylcellulose, hydroxypropylcellulose or carboxymethylcellulose), guar gum and derivatives thereof (for example hydroxypropylguar), gums of microbial origin (especially xanthan gum or
  • the above adjuvants are generally present in an amount for each of them of between 0.01% and 20% by weight relative to the weight of the oxidizing composition.
  • the mixture used in the process according to the invention comprises (initially) one or more propellant gases.
  • the propellant gas may be employed to enable the expulsion of the composition(s), but also to facilitate or bring about their expansion.
  • At least one of the compositions comprises at least one propellant gas, and preferably both the compositions comprise at least one propellant gas.
  • the gas(es) are mixed with the composition.
  • propellant gases that are suitable for use in the invention, mention may be made of the gases usually used in the cosmetic field, in particular optionally halogenated volatile hydrocarbons, for example n-butane, propane, isobutane or pentane, and halogenated derivatives thereof; carbon dioxide, nitrous oxide, dimethyl ether and nitrogen, alone or as mixtures.
  • gases usually used in the cosmetic field in particular optionally halogenated volatile hydrocarbons, for example n-butane, propane, isobutane or pentane, and halogenated derivatives thereof; carbon dioxide, nitrous oxide, dimethyl ether and nitrogen, alone or as mixtures.
  • the propellant gas(es) are chosen from alkanes and in particular from n-butane, propane and isobutane, and mixtures thereof.
  • the gases are under pressure, more particularly at least partially in liquid form.
  • each of the compositions comprises at least one propellant gas
  • these gases may be identical or different from one composition to another, whether as regards the nature of the gas(es) or as regards the respective proportions thereof if it is a case of mixtures.
  • the content of propellant gas(es) represents a content ranging from 1% to 30% by weight relative to the weight of the composition, and preferably from 2% to 15% by weight relative to the weight of the composition in which they are present.
  • the mixture applied to the fibres is thus obtained from the mixing of the dye and oxidizing compositions described previously.
  • the mixture may be obtained from a single pressurized container comprising either the oxidizing composition or the dye composition as described previously, the said composition being mixed before use with a composition (the dye composition or the oxidizing composition, respectively) obtained from a non-pressurized container such as a bottle or a tube, the mixture of the two compositions comprising at least one nonionic oxyalkylenated saturated or unsaturated C 8 -C 40 fatty acid amide.
  • the mixture may also be obtained from a single pressurized container comprising the oxidizing composition and the dye composition as described previously in two separate pockets, the mixture of the two compositions comprising at least one nonionic oxyalkylenated saturated or unsaturated C 8 -C 40 fatty acid amide.
  • the said mixture used in the context of the invention is obtained from a device comprising:
  • a means for dispensing each composition is mounted on each container.
  • One or both the containers may have rigid walls and directly contain the composition.
  • one or both the containers may have rigid walls and include a flexible-walled pocket which contains the composition.
  • either the dye composition is in a pocket, or the oxidizing composition is in a pocket, or both of them are.
  • the composition in the pocket may comprise no propellant gas, this gas being located in the volume defined between the rigid walls of the container and the pocket.
  • the composition contained in the pocket comprises itself also at least one propellant gas.
  • the device comprises a first rigid-walled container which contains one or the other of the dye or oxidizing compositions, the first rigid-walled container including a flexible pocket which itself contains the other of the dye or oxidizing compositions and which constitutes a second container.
  • the device comprises two rigid-walled containers, preferably without a pocket, each containing a composition.
  • the device comprises a means for dispensing the compositions, the means comprising at least one dispensing valve mounted on the container(s).
  • the means for dispensing the compositions comprises two dispensing valves, each valve being mounted on a container.
  • the valve(s) are in selective fluid communication with the interior of the container(s) via an inlet orifice of the valve, the communication being established in response to the actuation of an actuating means, such as a push button.
  • the device comprises a first rigid-walled container which includes a flexible pocket
  • only one valve is provided for dispensing the two compositions.
  • the valve is then equipped with two inlet orifices, one of the orifices being able to communicate with the interior of the pocket and the other with the volume defined between the pocket and the rigid walls of the container.
  • the containers When the containers do not include a pocket, they are equipped with a dip tube for conveying the composition to the inlet orifice of the dispensing valve.
  • valve inlet orifice opens into the pocket.
  • the device may comprise at least one diffuser which caps the valve(s).
  • the device comprises a single diffuser which caps the two valves.
  • the device comprises two diffusers, each independently capping a valve.
  • the push button may form part of the diffuser.
  • the diffuser may be equipped with one or more dispensing ducts provided to convey the composition(s) to one or more dispensing orifices.
  • each of the diffusers is equipped with a duct for conveying the composition between the valve outlet orifice and a dispensing orifice.
  • the device When the device comprises a single diffuser, it may be equipped with two ducts for conveying the compositions, each duct communicating with the outlet orifice of a valve.
  • the two ducts each arrive at a dispensing orifice (not communicating with each other before the dispensing orifice). According to this configuration, the mixing of the compositions does not take place until after they have been dispensed (and thus after the dispensing orifices).
  • the two ducts arrive in a mixing chamber, from which a single duct is directed towards a single dispensing orifice. According to this configuration, the mixing of the compositions takes place just before the mixture is expelled from the device.
  • the two ducts each open directly onto a dispensing orifice.
  • the device comprises two diffusers, namely when it comprises two containers, on each of which is mounted a valve and a diffuser specific thereto, the two containers may be free relative to each other, i.e. not integrally attached.
  • the two containers may be integrally attached, for example by means of an outer envelope partly covering the containers (especially a thermoformed film or a metallic or plasticized rigid envelope), or alternatively by means of notches made in the outer wall of each container, enabling them to be fastened together.
  • the device comprises a single diffuser which caps the two valves
  • this diffuser enables the two containers to be integrally attached.
  • an outer envelope partly covering the containers may also be envisaged.
  • the device comprises two integrally attached containers, the device enabling the compositions to be dispensed concomitantly, via one or, preferably, two dispensing orifices.
  • the containers have rigid walls, a dispensing valve being mounted on each of the containers, a single diffuser capping the two valves, and the two containers being integrally attached.
  • the devices are designed such that the dye and oxidizing compositions come into contact at the time of application of the mixture obtained.
  • the mixture of the dye composition and of the oxidizing composition, used in the process according to the invention, and which is applied to the fibres is in the form of a foam, which is thus produced just before it is applied.
  • the dye composition which is dispensed (obtained) from a pressurized container is in the form of a cream, a gel or a foam, preferably in the form of a foam.
  • the oxidizing composition which is dispensed (obtained) from a pressurized container is in the form of a cream, a gel or a foam, preferably in the form of a foam.
  • the pH of the mixture of the dye and oxidizing compositions is advantageously between 3 and 12, preferably between 5 and 11 and preferentially between 7 and 11, limits inclusive.
  • dispensing valve(s), and similarly the content of propellant gas(es), are adapted so as to enable the compositions to be dispensed in suitable respective proportions.
  • the dye composition/oxidizing composition weight ratio in the dispensed mixture ranges from 0.25 to 4 and preferably from 0.5 to 2.
  • this ratio is 1.
  • the dyeing process according to the invention consists in applying the mixture thus obtained to wet or dry human keratin fibres for a time sufficient to develop the desired coloration.
  • the mixture obtained according to the process of the invention is applied to keratin fibres preferably in the form of a foam.
  • the dyeing process is generally performed at room temperature (between 15 and 25°C) and up to temperatures that may be as high as 60°C to 80°C.
  • the human keratin fibres are rinsed with water, and optionally washed with a shampoo and then rinsed with water.
  • Dye composition (contents expressed in g% in native form): Ingredients Concentration Oxyethylenated (4 OE) rapeseed acid amide (at 92% by weight, Amidet N sold by the company Kao) 8.8 Oxyethylenated (3 OE) decyl alcohol (at 90% by weight, Eumulgin BL 309 sold by the company Cognis) 7.7 Glyceryl C12 alkyl ether (1.5 mol) (Chimexane NV sold by the company Chimex) 7 Oleyl alcohol 1.1 Lauryl ether carboxylic acid (4.5 OE) (at 90% by weight, Akypo RLM 45 CA sold by the company Kao) 5 Monoethanolamine 3.66 Ethylenediaminetetraacetic acid 0.2 96° Ethyl alcohol 8.8 Propylene glycol 6.2 Hexylene glycol 3 Dipropylene glycol 3 Condensate of ethylene oxide and of propylene oxide and of ethylene oxide (MW: 14 000) (128
  • compositions are conditioned in an aerosol container in the presence of the following propellant gases, in a composition/propellant gases weight ratio of 94/6.
  • the two aerosols are integrally attached via a dispensing head incorporating the two dispensing channels deriving from the two pressurized containers, the mixing of the two compositions in a weight ratio of 1/1 not taking place until immediately after exiting the dispensing head.
  • the resulting mixture is left on the fibres for 30 minutes at room temperature (25°C).
  • Dye composition (contents expressed in g% in native form): ingrédients Concentration monoethanolamine 0,47 Oleyl alcohol 2 Oxyethylenated (30 OE) oleyl alcohol Eumulgin O 30 sold by the company Cognis) 3,47 Oxyethylenated (12 OE) lauryl alcohol (12 OE) (REWOPAL 12 from EVONIK) 4,85 Oxyethylenated (5 OE) decyl alcohol (at 90% by weight, Eumulgin BL 589 sold by the company Cognis) 3,47 Oxyethylenated (3 OE) decyl alcohol (at 90% by weight, Eumulgin BL 309 sold by the company Cognis) 13,24 COCAMIDE MIPA (and) ISOPROPANOLAMINE (REWOMID V 3203 from EVONIK) 4 Cationic cellulose ether (SOFTCAT POLYMER SL-100 from AMERCHOL) 0,2 Hydroxyethylcellulose (NATROSOL 250 HHR PC from
  • compositions are conditioned in an aerosol container in the presence of the following propellant gases, in a composition/propellant gases weight ratio of 94/6.
  • the two aerosols are integrally attached via a dispensing head incorporating the two dispensing channels deriving from the two pressurized containers, the mixing of the two compositions in a weight ratio of 1/1 not taking place until immediately after exiting the dispensing head.
  • the resulting mixture is left on the fibres for 30 minutes at room temperature (25°C).

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Claims (19)

  1. Procédé de coloration de fibres kératiniques, dans lequel un mélange est appliqué auxdites fibres, ce mélange étant obtenu à partir :
    - d'une composition de colorant comprenant au moins un précurseur de colorant d'oxydation, et
    - d'une composition oxydante comprenant au moins un agent oxydant chimique,
    - au moins l'une des compositions étant distribuée à partir d'un conteneur pressurisé,
    - le mélange des deux compositions comprenant au moins un amide d'acide gras en C8-C40 oxyalkyléné non ionique, saturé ou insaturé.
  2. Procédé selon la revendications 1, caractérisé en ce que le ou les amides d'acide gras oxyalkylénés non ioniques sont choisis parmi des composés comprenant notamment de 1 à 20 moles d'oxyde de C2-C3-alkylène et préférablement de 1 à 10 moles d'oxyde de C2-C3-alkylène.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le ou les amides d'acide gras non ioniques correspondant à la formule (I) ci-après :

            R- [(OCH2CH2) n-OCH2]p-CO-N (R') - (CH2CH2O)n·H     (I)

    où :
    p désigne 0 ou 1,
    n désigne un nombre allant de 1 à 10 et préférablement de 1 à 5,
    n' désigne un nombre allant de 1 à 100 et préférablement de 1 à 60,
    R' désigne un atome d'hydrogène ou un radical CH2CH2OH et préférablement un atome d'hydrogène,
    R désigne un radical alkyl ou alcényle en C10-C30 et préférablement en C12-C22.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'amide d'acide gras non ionique est un amide d'acide de colza oxyéthyléné avec 4 motifs d'oxyéthylène.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la teneur en amide(s) d'acide gras non ionique(s) représente de 0,1% à 40% en poids, préférablement de 0,5% à 20% en poids et encore plus particulièrement de 1% à 10% en poids par rapport au poids du mélange.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le mélange continent au moins une polymère épaississant non ionique non associatif, choisi notamment parmi :
    (i) (i) des homopolymères et copolymères non ioniques contenant des monomères éthyléniquement insaturés de type ester et/ou amide,
    (ii) (ii) des homopolymères et copolymères de vinylpyrroliclone,
    (iii) (iii) des polysaccharides,
    et un mélange de ceux-ci.
  7. Procédé selon la revendication précédente, caractérisé en ce que les polymères épaississants non ioniques sont choisis parmi les polysaccharides, notamment choisis parmi les amidons modifiés ou non modifiés, l'amylose, l'amylopectine, le glycogène, les dextranes, les celluloses et des dérivés de celles-ci, les xylanes y compris les glucuronoxylanes et les arabinoxylanes, les glucanes y compris les xyloglucanes, les arabanes, les galactanes y compris les arabinogalactanes, la chitine, les géloses, les gommes de caroube, les mannanes y compris les glucomannanes et les galactomannanes tels que les gommes guar et des dérivés non ioniques dé ceux-ci, et des mélanges de ceux-ci.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce que la teneur en polymère(s) non ionique(s) non associatif (s) représente de 0,001% à 50% en poids et préférablement de 0,01% à 10% en poids, par rapport au poids du mélange.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le ou les précurseurs de colorant d'oxydation sont choisis parmi les bases et les coupleurs d'oxydation.
  10. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le ou les conteneurs pressurisés comprennent au moins un gaz propulseur choisi parmi les hydrocarbures volatils éventuellement halogénés, par exemple le n-butane, le propane, l'isobutane ou le pentane, et des dérivés halogénés de ceux-ci ; le dioxyde de carbone, l'oxyde nitreux, le diméthyléther, l'azote ou l'air comprimé, seuls ou comme mélanges, préférablement parmi les alcanes et encore plus préférablement parmi le n-butane, le propane et l'isobutane, et des mélanges de ceux-ci.
  11. Procédé selon la revendication 10, caractérisé en ce que le ou les gaz propulseurs représentant une teneur allant de 1% à 30% en poids par rapport au poids de la composition, et préférablement de 2% à 15% en poids par rapport au poids de la composition.
  12. Procédé selon les revendications 10 ou 11, caractérisé en ce que la composition de colorant et la composition oxydante comprennent chacune au moins un gaz propulseur identique ou différent.
  13. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le ou les agents oxydants chimiques sont choisis parmi le peroxyde d'hydrogène, le peroxyde d'urée, les bromates ou ferricyanures de métaux alcalins, les sels peroxygénés et les peracides et des précurseurs de ceux-ci ; et préférablement le peroxyde d'hydrogène.
  14. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la composition de colorant comprend au moins un agent alcalin, choisi plus particulièrement parmi l'ammoniaque, les alcanolamines et les acides aminés, ou des mélanges de ceux-ci, préférablement l'ammoniaque ou les alcanolamines, et des mélanges de ceux-ci.
  15. Procédé selon la revendication 14, caractérisé en ce que le ou les agents alcalins représentent une teneur allant de 0,01% à 30% en poids, préférablement de 0,1% à 20% en poids et plus particulièrement de 1% à 10% en poids par rapport au poids de la composition de colorant.
  16. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la composition de colorant et/ou la composition oxydante comprend au moins un agent tensioactif autre que le ou les amides d'acide gras non ioniques choisi parmi les agents tensioactifs cationiques, amphotères, non ioniques et anioniques.
  17. Procédé selon l'une quelconque des revendications 1 à 16, caractérisé en ce que la composition de colorant et la composition oxydante se trouvent chacune dans un conteneurs pressurisé différent, les conteneurs étant éventuellentent fixés intégralement et permettant aux compositions d'être distribuées de manière concomitante, via un ou deux orifices de distribution.
  18. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le mélange de la composition de colorant et de la composition oxydante, qui est appliqué aux fibres, se trouve sous la forme d'une mousse.
  19. Dispositif convenable pour mettre en oeuvre le procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend :
    - un premier conteneur contenant une composition de colorant comprenant au moins un précurseur de colorant d'oxydation, et
    - un deuxième conteneur contenant une composition oxydante comprenant au moins un agent oxydant chimique,
    - au moins l'un des conteneurs étant pressurisé, et préférablement les deux conteneurs étant pressurisés,
    - un moyen de distribution des compositions,
    - le mélange des deux compositions comprenant au moins un amide d'acide gras en C8-C40 oxyalkyléné non ionique, saturé ou insaturé, linéaire ou ramifié.
EP13719070.8A 2012-04-24 2013-04-22 Procédé de teinture au moyen d'un mélange obtenu à partir d'un dispositif aérosol comprenant un amide gras non ionique et dispositif correspondant Active EP2841046B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR1253742A FR2989584B1 (fr) 2012-04-24 2012-04-24 Procede de coloration mettant en oeuvre un melange comprenant un amide gras non ionique et un polymere epaississant non ionique non associatif, obtenu a partir d'un dispositif aerosol et dispositif
FR1253738A FR2989583A1 (fr) 2012-04-24 2012-04-24 Procede de coloration mettant en oeuvre un melange obtenu a partir d'un dispositif aerosol comprenant un amide gras non ionique et dispositif
US201261663128P 2012-06-22 2012-06-22
US201261663143P 2012-06-22 2012-06-22
PCT/EP2013/058312 WO2013160260A2 (fr) 2012-04-24 2013-04-22 Procédé de teinture au moyen d'un mélange obtenu à partir d'un dispositif aérosol comprenant un amide gras non ionique et dispositif correspondant

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EP2841046B1 true EP2841046B1 (fr) 2017-07-26

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US9855198B2 (en) 2018-01-02
EP2841046A2 (fr) 2015-03-04
WO2013160260A2 (fr) 2013-10-31
US20150082555A1 (en) 2015-03-26

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